Did you know that insects like dragonflies have life cycles that are very similar to our own? Help your little scientist get to know the circle of life.

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Guinea pigs are social animals that make great pets. Test your child's knowledge of these furry critters with this fun quiz.

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

If your kid gets excited about snakes, you need this cool worksheet. Learn a bit about carpet pythons, such as what colors they may be, and then color the picture.

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Learn about Yellowstone National Park's peregrine falcons, which survived heavy pesticide use in the 1960s.

Get the facts on the beautiful elk, an American treasure and a symbol of Yellowstone National Park.

Discover the many different kinds of conifer and deciduous trees as you complete this word search!

This coloring page allows you to view a lionfish without fearing the touch of its venomous spines.

Learn the scientific names of this popular flower and its partner, the grasshopper, with this fun coloring sheet!

Learn about spider tortoises, one of the world's tiniest tortoise species, with this handy worksheet. Can't go to the zoo? We bring the zoo to you!

Animals need to adapt to survive! Teach your child how some animals can blend with their surroundings using camouflage.

Can't go to the zoo? We bring the zoo to you! Check out the fulvous whistling duck, a bird with social skills and the willingness to share each other's nests.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

Who feels at home scaling a nice, big tree? This word search is a fun way for your little one to familiarize themselves with different tree-climbing animals.

Children get to know animals of South America in this nature-themed worksheet.

Pick up some facts about squids, including about the fascinating Giant Squid, and do a bit of writing on this reading comprehension worksheet.

Kids follow corn as it grows from seed to vegetable on this simple cut-and-paste growth chart.

Help your child learn about facts and opinions in this animal-themed worksheet! Students will read sentences and decide whether they express facts or opinions.

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching worksheet.

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Check out the unique appearance of the elephant fish in this coloring page.

Teach your child all about the growth cycle of carrots, those bright orange veggies found on dinner tables everywhere.

Learn about the second fastest land mammal in the Western Hemisphere, the pronghorn antelope.

Here's a creature that can be a heard a mile away: a thick-billed parrot. Learn more about these birds that are the only parrots native to the USA.

What delicious treats do we receive from trees? Your child can draw their favorite tree-provided snacks in this cute drawing worksheet.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

How can you tell how old a tree is? Look no further! This worksheet gives a basic overview of tree rings for your little scientist.